Answer:
They protect the body from infectious agents.
And
They signal the immune system to destroy pathogens.
Explanation:
I HOPE THIS HELPS
Hydrogen is more frequently bonded with Carbon.
1) The function of a protein is determined by its shape. The shape of a protein is determined by its primary structure. The sequence of amino acids in a protein is determined by the sequence of nucleotides in the gene DNA encoding it.
passive: doesn't require energy, from high to low concentration
active:requires energy, from low to high concentration
i dont know maybe